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Related Experiment Video

Updated: Jun 16, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

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Published on: May 1, 2018

Parasitically coupled 16-port massive MIMO antenna for mmWave applications.

Brijesh Mishra¹, Himanshu Sharma², Neeraj Kumar Misra³

¹Department of Electronics and Communication Engineering, School of Engineering and Technology, CMR University, Bengaluru, Karnataka, India.

Scientific Reports

|June 14, 2026

Summary

A compact 16-port massive MIMO antenna for millimeter-wave (mmWave) applications was developed. This antenna operates efficiently within crucial 5G bands, demonstrating high gain and low specific absorption rate (SAR) for safe human use.

Keywords:

16-ports 56 and 6G High gain Massive MIMO Spatial diversity and spatial multiplexing mmWave

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Last Updated: Jun 16, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

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Published on: May 1, 2018

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

Area of Science:

Electrical Engineering
Electromagnetics
Antenna Theory

Background:

Millimeter-wave (mmWave) frequencies are crucial for next-generation wireless communication systems, enabling higher data rates and capacity.
Massive MIMO (Multiple-Input Multiple-Output) antenna systems are essential for improving spectral efficiency and link reliability in mmWave bands.
Compact antenna designs are required to meet the size constraints of mobile devices and base stations operating at mmWave frequencies.

Purpose of the Study:

To design and present a compact 16-port massive MIMO antenna for mmWave applications.
To optimize a single antenna element for performance within the target mmWave spectrum.
To evaluate the antenna's performance, including gain, return loss, and specific absorption rate (SAR) for human safety.

Main Methods:

A systematic study was conducted to select an optimal single antenna element design from four initial designs.
A 16-port massive MIMO antenna was fabricated using replicas of the optimized single element with a modified ground plane.
Simulations were performed using High Frequency Structure Simulator (HFSS) and Advanced Design System (ADS) for antenna design and circuit modeling.

Main Results:

The proposed 16-port antenna resonates at 40 GHz within the 37.5-49 GHz mmWave band, exhibiting a peak return loss of 40 dB.
The antenna covers key 5G and beyond wireless communication bands, including 39 GHz, 41 GHz, and 47 GHz.
High antenna gain of 17.9 dB at 39 GHz and 17.2 dB at 41 GHz was achieved, alongside a low SAR value of 0.045 W/kg at 40 GHz.

Conclusions:

The developed compact 16-port massive MIMO antenna is suitable for mmWave applications, offering excellent performance within critical 5G bands.
The antenna design demonstrates high gain and efficiency while maintaining a safe SAR level for human exposure.
The proposed antenna design and its equivalent circuit model provide a valuable reference for future mmWave communication system development.